Answer:
The regions are defined in an abstract way by delimiting areas of one or more common characteristics, whether physical, human or functional. As a way of describing spatial areas, the concept of regions is important and widely used among the many branches of geography, each of which can describe areas in regional terms. For example, the term ecoregion is a term used in biogeography, cultural region in cultural geography, natural region in physical geography, among other examples. The study of the regions itself is the subject of regional geography.
In the territorial organization of many countries, the term region designates a political division of the territory of a State from the regional space defined according to officially established criteria, which can generally be ethnic, demographic, historical, cultural, economic or special circumstances of climate, relief or topography, administration, government, etc.
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